Synonyms: s-Triazin-2(1H)-one,tetrahydro-5-(2-hydroxyethyl)-1,3-bis(hydroxymethyl)- (6CI,7CI,8CI);1,3-Dimethylol-5-(hydroxyethyl)tetrahydro-s-triazin-2(1H)-one;5-Hydroxyethyl-1,3-bis(hydroxymethyl)-2-triazinone;5-Hydroxyethyl-1,3-bis(hydroxymethyl)-2-triazone;Dimethylolhydroxyethyltriazone;N,N'-Dimethylol-5-hydroxyethyltetrahydro-s-2-triazone;N,N'-Dimethylol-N''-hydroxyethyltriazone; Protorez;Tetrahydro-5-(2-hydroxyethyl)-1,3-bis(hydroxymethyl)-s-triazin-2(1H)-one